Medication information

Cantharone 0.7% top. liquid

This medication is typically used for the treatment of molluscum contagiosum or for the treatment of skin warts. It requires several days to take effect.


Since this medication causes a chemical burn that produces a blister within hours, it must be applied by a physician. The treatment area should be covered with a piece of plastic adhesive tape shortly after application. A follow-up appointment with the physician should be scheduled.

Do not allow this product to come into contact with eyes or mucous membranes (eg lips). It should not be applied to skin injured by a cut or scratch.

Side effects

In addition to its desired action, this medication may cause some side effects, notably:

  • it may cause local pain;
  • it may cause local irritation;
  • it may cause blisters at the application site.

Each person may react differently to a treatment. If you think this medication may be causing side effects (including those described here, or others), talk to your doctor or pharmacist. He or she can help you to determine whether or not the medication is the source of the problem.


As with most medications, this product should be stored at room temperature. Store it in a secure location where it will not be exposed to excessive heat, moisture or direct sunlight. Keep it out of reach of young children. Make sure that any leftover portion is disposed of safely.

General notes

It is important to tell the health professionals you consult:

  • if you have a history of any other medical condition, whether you smoke and for women, if you are or want to become pregnant or breastfeeding;
  • if you have allergies to any medications or any other allergies (e.g. to food, latex, etc.);
  • all medications you are taking, prescription and non-prescription, including vitamins and natural products and supplements.